{"id":13100,"date":"2025-12-10T22:26:59","date_gmt":"2025-12-10T21:26:59","guid":{"rendered":"https:\/\/www.evoluscience.fr\/?page_id=13100"},"modified":"2026-04-14T11:36:13","modified_gmt":"2026-04-14T09:36:13","slug":"conclusion","status":"publish","type":"page","link":"https:\/\/www.evoluscience.fr\/index.php\/sixieme\/partie-2\/chapitre-1-la-terre-particularite-au-sein-du-systeme-solaire\/activite-4\/conclusion\/","title":{"rendered":"Conclusion"},"content":{"rendered":"\n<p class=\"has-drop-cap has-pale-pink-color has-text-color has-link-color wp-elements-c731ecf60bed5ed256e98a92317d36d5 wp-block-paragraph\"><strong>L&rsquo;atmosph\u00e8re terrestre<\/strong> correspond \u00e0 la couche de gaz qui entoure notre plan\u00e8te. Elle se compose de plusieurs couches dont la troposph\u00e8re (pr\u00e9sente au niveau du sol et concentrant la majeure partie de la masse de l&rsquo;air et des ph\u00e9nom\u00e8nes m\u00e9t\u00e9orologiques). Elle s\u2019arr\u00eate \u00e0 environ 100km d\u2019altitude.<\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-link-color wp-elements-869151722479e2bd88ddc0fd34470d25 wp-block-paragraph\">Sa composition a chang\u00e9 sous l\u2019effet de la pr\u00e9sence des oc\u00e9ans et de la photosynth\u00e8se des premi\u00e8res bact\u00e9ries de stromatolithes&nbsp;: diminution de la part de dioxyde de carbone et augmentation de la part de dioxyg\u00e8ne.<\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-link-color wp-elements-12aa6bea32791fdc28d87a748074ed0d wp-block-paragraph\">La composition actuelle de l\u2019atmosph\u00e8re terrestre est&nbsp;:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-vivid-red-color has-text-color has-link-color wp-elements-97a39ebbe409af76f6ec874cea46b98a\">78% de diazone, N2,&nbsp;<\/li>\n\n\n\n<li class=\"has-vivid-red-color has-text-color has-link-color wp-elements-b174bed457f6ef5520bb00331396ca60\">21% de dioxyg\u00e8ne, O2,<\/li>\n\n\n\n<li class=\"has-vivid-red-color has-text-color has-link-color wp-elements-012c8e902e734387827425ddab5e242d\">1 % d\u2019autres gaz<\/li>\n<\/ul>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-link-color wp-elements-570d42d6c480b3504720aed464ccc73a wp-block-paragraph\">Certains gaz permettent de filtrer et d\u2019absorber des rayonnements solaires et infrarouges&nbsp;: c\u2019est l\u2019effet de serre. Il permet d\u2019atteindre une temp\u00e9rature sur Terre de 15\u00b0C.<\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-link-color wp-elements-8c59b32627674829c7d3ba1bdc40f97a wp-block-paragraph\">Par ses activit\u00e9s, l\u2019Homme lib\u00e8re trop de ces gaz accentuant ce ph\u00e9nom\u00e8ne.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"725\" height=\"528\" src=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2025\/12\/image-3.png\" alt=\"\" class=\"wp-image-13109\" style=\"aspect-ratio:1.373146695865763;width:569px;height:auto\" srcset=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2025\/12\/image-3.png 725w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2025\/12\/image-3-300x218.png 300w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2025\/12\/image-3-520x379.png 520w\" sizes=\"auto, (max-width: 725px) 100vw, 725px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Chanson : 3e plan\u00e8te<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"360\" src=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/04\/3e-Planete-mp3-image.jpg\" alt=\"\" class=\"wp-image-13749\" srcset=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/04\/3e-Planete-mp3-image.jpg 360w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/04\/3e-Planete-mp3-image-300x300.jpg 300w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/04\/3e-Planete-mp3-image-150x150.jpg 150w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/figure>\n<\/div>\n\n\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/04\/3e-Planete.mp3\"><\/audio><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;atmosph\u00e8re terrestre correspond \u00e0 la couche de gaz qui entoure notre plan\u00e8te. Elle se compose de plusieurs couches dont la troposph\u00e8re (pr\u00e9sente au niveau du sol et concentrant la majeure partie de la masse de<a class=\"read-more\" href=\"https:\/\/www.evoluscience.fr\/index.php\/sixieme\/partie-2\/chapitre-1-la-terre-particularite-au-sein-du-systeme-solaire\/activite-4\/conclusion\/\">Continue reading<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":13099,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"class_list":["post-13100","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages\/13100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/comments?post=13100"}],"version-history":[{"count":0,"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages\/13100\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages\/13099"}],"wp:attachment":[{"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/media?parent=13100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}